A display device-integrated touch screen panel including an upper substrate and a lower substrate having a display region and a non-display region outside of the display region and including a first non-display region and a second non-display region at an outer side of the first non-display region, a plurality of sensing patterns on the upper substrate in the display region, a plurality of sensing lines located on the upper substrate in the non-display region, and coupled to the sensing patterns, a first guard ring pattern adjacent an edge of the first non-display region and surrounding the plurality of sensing lines, a sealing material between the upper substrate and the lower substrate in the non-display region, and a second guard ring pattern overlapping the sealing material in the non-display region, the second guard ring pattern being electrically coupled to the first guard ring pattern and including a transparent conductive material.
Legal claims defining the scope of protection, as filed with the USPTO.
1. A display device-integrated touch screen panel comprising: an upper substrate; a lower substrate, the upper substrate and the lower substrate having: a display region; and a non-display region at an outer side of the display region and comprising a first non-display region and a second non-display region at an outer side of the first non-display region; a plurality of sensing patterns on the upper substrate in the display region; a plurality of sensing lines located on the upper substrate in the non-display region, and coupled to the sensing patterns; a first guard ring pattern adjacent an edge of the first non-display region and surrounding the plurality of sensing lines; a sealing material between the upper substrate and the lower substrate in the non-display region; and a second guard ring pattern overlapping the sealing material in the non-display region, the second guard ring pattern being electrically coupled to the first guard ring pattern and comprising a transparent conductive material.
2. The display device-integrated touch screen panel according to claim 1 , wherein the sensing lines and the first guard ring pattern comprise a low resistance material.
3. The display device-integrated touch screen panel according to claim 1 , further comprising an insulating layer on the upper substrate, wherein the second guard ring pattern contacts the insulating layer in the non-display region, and directly contacts the first guard ring pattern through a contact hole in the insulating layer above the first guard ring pattern.
4. The display device-integrated touch screen panel according to claim 1 , further comprising a third guard ring pattern at an edge of the second non-display region and surrounding an area above the sealing material.
5. The display device-integrated touch screen panel according to claim 4 , wherein the third guard ring pattern comprises a low resistance metal material.
6. The display device-integrated touch screen panel according to claim 4 , further comprising an insulating layer on the upper substrate, wherein the second guard ring pattern contacts the insulating layer in the non-display region, and directly contacts the third guard ring pattern through a contact hole in the insulating layer above the third guard ring pattern.
7. The display device-integrated touch screen panel according to claim 1 , wherein the sensing patterns comprise: first sensing cells coupled to each other for each row line in a first direction; first connecting lines coupling the first sensing cells in the first direction; second sensing cells coupled to each other for each column line in a second direction; and second connecting lines coupling the second sensing cells in the second direction.
8. The display device-integrated touch screen panel according to claim 7 , wherein the sensing patterns are at a same layer.
9. The display device-integrated touch screen panel according to claim 8 , wherein the sensing cells and the second connecting lines are integrally formed.
10. The display device-integrated touch screen panel according to claim 9 , further comprising an insulating layer located at crossing regions of the first connecting lines and the second connecting lines.
11. The display device-integrated touch screen panel according to claim 7 , wherein the sensing patterns are at an outer surface of the upper substrate.
12. The display device-integrated touch screen panel according to claim 1 , wherein the upper substrate comprises a sealing substrate of an organic light emitting display device.
13. The display device-integrated touch screen panel according to claim 1 , further comprising: a polarizing film attached to the upper substrate on which the sensing patterns, the sensing lines, and the first and second guard ring patterns are formed; and a window substrate attached to the polarizing film.
14. The display device-integrated touch screen panel according to claim 13 , further comprising a black matrix layer on the window substrate and corresponding to the non-display region.
15. The display device-integrated touch screen panel according to claim 13 , wherein the polarizing film comprises: a polarizer; a phase difference compensating layer; and a transparent adhesive for supporting the polarizer and for attaching the phase difference compensating layer to the polarizer.
16. The display device-integrated touch screen panel according to claim 15 , wherein the display device-integrated touch screen panel is flexible.
17. The display device-integrated touch screen panel according to claim 13 , wherein the window substrate comprises at least one of Polymethyl Methacrylate, (PMMA), acryl, or polyester (PET).
18. The display device-integrated touch screen panel according to claim 17 , wherein the display device-integrated touch screen panel is flexible.
Cooperative Patent Classification codes for this invention. Click any code to explore related patents in that topic.
November 13, 2012
November 18, 2014
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